How To Install Android 2.3.7 On HTC Hero (CDMA) via CM7.2

Update your HTC Hero (CDMA) to Android 2.3.7 Gingerbread with the help of custom ROM CM7.2. This custom firmware is superior than official firmware. CM7.2 not only save your internal memory but also battery savvy. With CM7.2 custom ROM you will enjoy various customization of CyanogenMod including customized power option, sound control and many more. Its one of the best Android 2.3.7 Gingerbread based custom ROM out there for HTC Hero (CDMA). The bloatware free and battery savvy CM7.2 going to be a long runner. You can easily install CM7.2 on your HTC Hero (CDMA) once you install custom recovery such as CWM recovery.

Warning!

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This tutorial is only for HTC Hero (CDMA). Don’t try this guide on any other Android device. Also, we (PrimeHowTo) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

1. It’s advisable to backup your data prior flashing. I recommend app Helium for this purpose, however you can use any other preferred backup app. [General Guide]

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2. Make sure your device have enough battery power (at least 50% battery power) to avoid any accidental brick. You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You must have USB Driver Installed for HTC Hero (CDMA) in your PC. If you manage to access your phone data after connecting to your computer then you already have USB driver installed. [Download Driver Manually]

4. Make sure USB Debugging is enabled otherwise it’s won’t be possible to transfer file between PC and HTC Hero (CDMA). By default its enabled, so you don’t have to worry. [General Guide]

First of all create an image of your existing OS by performing Nandroid backup of your existing ROM which you can restore later if this new ROM don’t perform the way you want or if there any glitch. To do so, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.

Select install zip from sdcard, then select choose zip from sdcard. Now, locate the CM7.2 Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.

Once the ROM installation process end, repeat the Step 6 but choose the gapps-gb-20110828-signed.zip file instead of ROM zip to install the Google apps package.

When installation is completed, perform the Step 4 one more time and then go back to the main recovery menu and select reboot system now to reboot your HTC Hero (CDMA)and boot into Android 2.3.7 Gingerbread ROM CM7.2.

Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

That’s it! You just learned how to update your HTC Hero (CDMA) to Android 2.3.7 Gingerbread custom firmware using CM7.2. Explore the latest Android 2.3.7 Gingerbread based CM7.2 ROM. [Note: You may require a rooted device to enjoy all CyanogenMod features]